Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Vlaue (Details) - Measured on a Recurring Basis - USD ($) $ in Thousands	Jul. 02, 2017	Apr. 02, 2017
Quoted Prices in Active Markets for Identical Assets (Level 1)
Cash Equivalents and Short-Term Investments:
US government treasuries and agencies securities	$ 73,475	$ 61,556
Money market funds	61,920	140,425
Asset-backed securities	0	0
Corporate bonds	0	0
International government bonds	0	0
Corporate commercial paper		0
Bank deposits	0	0
Repurchase agreement	0	0
Total assets measured at fair value	135,395	201,981
Significant Other Observable Inputs (Level 2)
Cash Equivalents and Short-Term Investments:
US government treasuries and agencies securities	0	0
Money market funds	0	0
Asset-backed securities	14,516	13,847
Corporate bonds	107,609	96,376
International government bonds	5,415	5,410
Corporate commercial paper		4,898
Bank deposits	12,646	12,305
Repurchase agreement	38	173
Total assets measured at fair value	140,224	133,009
Total
Cash Equivalents and Short-Term Investments:
US government treasuries and agencies securities	73,475	61,556
Money market funds	61,920	140,425
Asset-backed securities	14,516	13,847
Corporate bonds	107,609	96,376
International government bonds	5,415	5,410
Corporate commercial paper		4,898
Bank deposits	12,646	12,305
Repurchase agreement	38	173
Total assets measured at fair value	$ 275,619	$ 334,990